# Mon Expert vs Jaay Caisse

The clearest difference is update cadence: Jaay Caisse at fortnightly against Mon Expert's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Mon Expert ships an update every 3 months, Jaay Caisse fortnightly. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Mon Expert | Jaay Caisse |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 87 MB | 64 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MyCompanyFiles](https://appshunter.io/developer/555340555) | [Youssouf LY](https://appshunter.io/developer/1546636066) |

## What reviewers say

### Mon Expert

[App page](https://appshunter.io/ios/app/mon-expert-comptable/id1080959933)

**In-app purchases:** none


### Jaay Caisse

[App page](https://appshunter.io/ios/app/jaay-caisse/id1601044240)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Mon Expert free?

Mon Expert is free to download, with no in-app purchases.

### Is Jaay Caisse free?

Jaay Caisse is free to download, with no in-app purchases.

### Do Mon Expert or Jaay Caisse have ads?

Neither Mon Expert nor Jaay Caisse shows ads.

### Which is updated more often, Mon Expert or Jaay Caisse?

Mon Expert ships an update every 3 months, and Jaay Caisse fortnightly. Most recently, Mon Expert was updated on September 10, 2026 and Jaay Caisse on September 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*